Remove Wi-Fi perception! Win10 Mobile Preview 14342 has been fixed and known issues Summary

Microsoft unexpected push today Win10 Mobile preview build 14342, but this version is not much content update, let’s look at the bug has been fixed and known issues.
Win10 Mobile Preview build 14342 has been fixed bug:

Mobile repair installation fails encounter errors 80070002 problems.
Repair language and voice packet download error problem.
Repair Groove music playback DRM protected content fails 0x8004C029 or 0x8004C503 wrong question.
Fix some non-English keyboard users can not enter W, Y letters and other problems Edge address bar.
Repair under Settings> System> Notification and notification to keep open certain applications operating on the lock screen when the private, open an application notice cause the phone to lock and restart problems.
Receiving updated to increase the font size, spacing improved data migration page.
Change Settings page icons, including the right battery icon to icons and other systems more consistent weight.
Improved performance when driving to retrieve updates GPS coordinates.
Shutdown goodbye message will now remain visible until the last minute, making it easier to determine if the device is turned off.
Improved media control on the lock screen. When you press the media control buttons, it appears. “Press and hold.”
When repair Tweetium applications crash on startup.
Repair application in landscape mode, the operations center of the right-click menu will appear in the problem in the wrong direction.
Repair Lumia 435,532,535 and 540 will not be able to record video and take pictures on the Lumia 435 advanced camera settings were not saved, the problem caused by the use of default settings for the photo shoot.
Fix the problem in a device connected to the same application multiple times are listed below.
Repair Press the power button twice when enabled will cause display Windows Hello stuck issues.
Repair Groove concert “Can not Play – Now another application to control your voice” issue.
When setting the delay lock, Windows Hello will now say “up to close the slide lock screen” rather than looking for your iris.
Repair hand hovering near the top of the sensor does not show an overview of the problem.
Repair open multiple UWP application startup may crash.

Known issues:

We are working on some of the issues dual SIM device. Feedback Center is not localized, the user interface is still the United States in English, even if you install a language pack.

Emoticons appear as squares problem has decreased, but still there.
System> Notification & actions. “> When you operate quickly reschedule operations center, set the application may crash. So please do not change, if you have changed, you need to hard reset.

Microsoft also noted that this version has been removed Wi-Fi awareness, with too few people, not demand, not worth to invest in developing.